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From "reshu.agarwal" <reshu.agar...@orkash.com>
Subject Re: Ducc Problems
Date Thu, 27 Mar 2014 05:35:02 GMT
On 03/26/2014 11:34 PM, Eddie Epstein wrote:
> Hi Reshu,
> The collectionProcessingComplete() method in UIMA-AS has a limitation: a
> Collection Processing Complete request sent to the UIMA-AS Analysis Service
> is cascaded down to all delegates; however, if a particular delegate is
> scaled-out, only one of the instances of the delegate will get this call.
> Since DUCC is using UIMA-AS to scale out the Job processes, it has no way
> to deliver a CPC to all instances.
> The applications we have been running on DUCC have used the Work Item CAS
> as a signal to CAS consumers to do CPC level processing. That is discussed
> in the first reference above, in the paragraph "Flushing Cached Data".
> Eddie
> On Wed, Mar 26, 2014 at 9:48 AM, reshu.agarwal <reshu.agarwal@orkash.com>wrote:
>> On 03/26/2014 06:43 PM, Eddie Epstein wrote:
>>> Are you using standard UIMA interface code to Solr? If so, which Cas
>>> Consumer?
>>> Taking at quick look at the source code for SolrCASConsumer, the batch and
>>> collection process complete methods appear to do nothing.
>>> Thanks,
>>> Eddie
>>> On Wed, Mar 26, 2014 at 6:08 AM, reshu.agarwal <reshu.agarwal@orkash.com>
>>> wrote:
>>>   On 03/21/2014 11:42 AM, reshu.agarwal wrote:
>>>>   Hence we can not attempt batch processing in cas consumer and it
>>>>> increases our process timing. Is there any other option for that or is
>>>>> it a
>>>>> bug in DUCC?
>>>>>   Please reply on this problem as if I am sending document in solr one
>>>> one by cas consumer without using batch process and committing solr. It
>>>> is
>>>> not optimum way to use this. Why ducc is not calling collection Process
>>>> Complete method of Cas Consumer? And If I want to do that then What is
>>>> the
>>>> way to do this?
>>>> I am not able to find any thing about this in DUCC book.
>>>> Thanks in Advanced.
>>>> --
>>>> Thanks,
>>>> Reshu Agarwal
>>>>   Hi Eddie,
>> I am not using standard UIMA interface code to Solr. I create my own Cas
>> Consumer. I will take a look on that too. But the problem is not for
>> particularly to use solr, I can use any source to store my output. I want
>> to do batch processing and want to use collectionProcessComplete. Why DUCC
>> is not calling it? I check it with UIMA AS also and my cas consumer is
>> working fine with it and also performing batch processing.
>> --
>> Thanks,
>> Reshu Agarwal
Hi Eddie,

I am using cas consumer similar to apache uima example:


Reshu Agarwal

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